Submersible pump failure phenomenon and troubleshooting

2024-06-18 22:05:17

First, the submersible pump does not produce water, indirect water or insufficient water. 1. Check the motor. Check whether the motor has started. If it is not started, check the motor circuit to eliminate the circuit fault. See if the motor circuit is connected correctly, check whether the electric pump is reversed, the electric pump is reversed, and the power cord can be exchanged.
2. Check the pipeline. Look at the pipeline for blockage, rupture, and whether the water filter is blocked. If the pipeline is broken, it should be repaired or replaced, and the blockage should be removed. The fault can be eliminated.
3. Check the seal of the pump casing and check if the impeller is damaged. Remedy: Replace the new seal and impeller.
Second, the motor can not start with a humming sound 1. Check the motor circuit, whether it is a phase disconnection, check the voltage, whether the voltage is too low. After the circuit is repaired and the voltage is adjusted properly, the fault can be eliminated.
2. Check if there are foreign objects in the impeller, whether the bearing is damaged, eliminate foreign objects or replace the bearing.
Third, the current is too large, the current meter pointer swings 1. When buying a new pump, the reason is that the shaft is bent and the bearings are not concentric, and immediately returned to the sales department or the manufacturer.
2. Check if the thrust bearing is seriously worn and whether the impeller and the seal ring have friction marks. Replacement method, replace the thrust bearing or thrust disc, the impeller can no longer rub with the seal ring when rotating.
3. Check whether the relative rotation of the shaft and the shaft is flexible. When the rotation is not flexible, the bearing should be replaced or repaired.
4. The moving water level drops below the water inlet. The flow should be reduced or well replaced.
4. Vibrate vibration during operation of the unit 1. Check if the connecting bolt is loose and tighten the bolt.
2. After the motor rotor is unbalanced, the pump impeller is unbalanced, the motor or the pump shaft is bent, etc., it should be sent to the manufacturer for processing.

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